1211000201087 has 2 divisors, whose sum is σ = 1211000201088. Its totient is φ = 1211000201086.

The previous prime is 1211000201069. The next prime is 1211000201141. The reversal of 1211000201087 is 7801020001121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211000201087 - 2¹⁶ = 1211000135551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211000201057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605500100543 + 605500100544.

It is an arithmetic number, because the mean of its divisors is an integer number (605500100544).

Almost surely, 2^{1211000201087} is an apocalyptic number.

1211000201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211000201087 is an equidigital number, since it uses as much as digits as its factorization.

1211000201087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

The spelling of 1211000201087 in words is "one trillion, two hundred eleven billion, two hundred one thousand, eighty-seven".